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CVE-2025-54468GO-2025-3982GHSA-MJCP-RJ3C-36FR

Rancher sends sensitive information to external services through the `/meta/proxy` endpoint

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.12.2, 2.11.6, 2.10.10, 2.9.12
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

A vulnerability has been identified within Rancher Manager whereby `Impersonate-Extra-*` headers are being sent to an external entity, for example `amazonaws.com`, via the `/meta/proxy` Rancher endpoint. These headers may contain identifiable and/or sensitive information e.g. email addresses.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • github.com/rancher/rancher

    From 2.12.0 · fixed in 2.12.2; From 2.11.0 · fixed in 2.11.6; From 2.10.0 · fixed in 2.10.10; From 2.9.0 · fixed in 2.9.12

  • github.com/rancher/rancherGo

    All versions

  • github.com/rancher/rancherGo

    From 2.12.0 · fixed in 2.12.2

  • github.com/rancher/rancherGo

    From 2.11.0 · fixed in 2.11.6

  • github.com/rancher/rancherGo

    From 2.10.0 · fixed in 2.10.10

  • github.com/rancher/rancherGo

    From 2.9.0 · fixed in 2.9.12

References 2

bugzilla.suse.com

GitHub · rancher/rancher